1-56 (No.49843)
4.26 UPD784217AGC220 (IC701) : CPU
• Pin layout
• Block diagram
1
25
75
51
100
26
76
50
Pin No
Symbol
I/O
Function
1 to 7
NC
-
Not use
8
ANT CONT
-
Antenna remote control
9
VDD
-
Power supply
10
X2
-
11
X1
-
12
VSS
-
Ground
13
XT2
-
14
XT1
-
15
RESET
I
System reset
16
REMOCON
I
Remocon input
17
BUS-INT
I
J-BUS INT
18
PS2
I
Power save2, H means STOP mode
19
CD-REQ
I
CD REQ INPUT
20
RDS-SCK
I
Not use
21
STEERING REMOCON
I
Steering remocon input
22
KEY DATA
I
KEY DATA
23
AVDD
-
A/D converter power supply
24
AVREF0
-
A/D reference voltage
25
VOL1
I
Volume encoder pulse input 1
26
VOL2
I
Volume encoder pulse input 2
27 to 29
NC
-
Not use
30
MRC
I
MRC input
31
SQ
I
Not use, pull down
32
SM
I
S.METER input
33
AVSS
-
Ground
34
NC
-
Not use
35
STAGE3
I
Feature selection, pull up
36
AVREF
-
37
BUS-SI
I
J-BUS data input
38
BUS-SO
O
J-BUS data output
39
BUS-SCK
I/O
J-BUS clock input/output
40
BUS-I/O
O
J-BUS I/O selection output:H, input:L
41
DISP DA
O
DISPLAY DATA output
42
DISP SCK
O
DISPLAY SCK
43
DISP CE
O
DISPLAY CE
44
BUZZER
O
Buzzer output
45
E2PROM-DI
I
I2C data input
46
E2PROM-DO
O
I2C data output
47
E2PROM-CLK
O
I2C clock output
Содержание KD-LH310
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